Chemical Technology Standards
BS 4427-3:1989
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophospha...
BS 4427-4:1969
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophospha...
BS 4427-5:1974
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophospha...
BS 4427-6:1974
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophospha...
BS 4522:1988, ISO 758-1976
Method for determination of absolute density at 20°C of liquid chemical products for industrial use...
BS 4524:1983, ISO 759-1981
Method for determination of residue on evaporation on a water bath...
BS 4591:1990, ISO 918:1983
Method for determination of distillation characteristics of organic liquids (other than petroleum products)...
BS 4651-2:1987, ISO 7108-1985
Ammonia solution - Method for determination of ammonia content...
BS 4651-3:1987, ISO 7109-1985
Ammonia solution - Method for determination of residue on evaporation...
BS 4651-4:1988
Ammonia solution - Method for determination of residue after heating at 850°C...
BS 4993-10:1983, BS 5050-13:1983,ISO 6374-1981
Methods of test for aluminium fluoride for industrial use - Determination of phosphorus content...